fix: descriptive name for test from checks lib

[itssubhodiproy]

fixes winglang/wing#5109

for this code

bring checks;

new checks.Check(inflight () => {}) as "one";
new checks.Check(inflight () => {}) as "two";

test "test name example" {}

now it look like this

[mergify]

Thanks for contributing, @subh-cs! This PR will now be added to the merge queue, or immediately merged if better-test-name is up-to-date with main and the queue is empty.